Pith Number

pith:7FMWEJIX

pith:2012:7FMWEJIX4YBEGKNA4O7HPHS6LD

not attested not anchored not stored refs pending

Double bow shocks around young, runaway red supergiants: application to Betelgeuse

1), (2) SAAO, Bonn, Dominique M.-A. Meyer (1) ((1) AIfA, Germany, Hilding R. Neilson (1), Jonathan Mackey (1), Norbert Langer (1), Shazrene Mohamed (2, South Africa)

arxiv:1204.3925 v1 · 2012-04-17 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7FMWEJIX4YBEGKNA4O7HPHS6LD}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:55:58.703101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f959622517e6024329a0e3be779e5e58c41027112d7301d7cea209f731390541

Aliases

arxiv: 1204.3925 · arxiv_version: 1204.3925v1 · doi: 10.48550/arxiv.1204.3925 · pith_short_12: 7FMWEJIX4YBE · pith_short_16: 7FMWEJIX4YBEGKNA · pith_short_8: 7FMWEJIX

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/7FMWEJIX4YBEGKNA4O7HPHS6LD \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: f959622517e6024329a0e3be779e5e58c41027112d7301d7cea209f731390541

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "357805de6a1c5ee7c64b0c1496d1a98e41daa79448229c42ce73f434e8bdcc68",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-04-17T21:40:20Z",
    "title_canon_sha256": "5c0f2c20cbbfd8e42688c7bf1d56d3700d4ab22313ef8b1c4d8819311efd7295"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3925",
    "kind": "arxiv",
    "version": 1
  }
}